GRAVITATIONAL SETTLING TANK AND ASH-FREE COAL PRODUCTION METHOD USING THE SAME
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United States of America Patent
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Issued Date -
Oct 9, 2014
app pub date -
Dec 17, 2012
filing date -
Dec 28, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided is a gravitational settling tank capable of detecting a boundary surface of a solids-enriched fluid. A pressure vessel 11 is provided with a multipoint temperature sensor 18 including two or more thermocouples 17 to measure the temperature of an internal fluid in the pressure vessel 11. Two or more temperature measuring junctions 17a of the thermocouples 17 are arranged in the pressure vessel 11 so as to be immersed in the internal fluid and positioned at different heights from one another. The boundary surface of the solids-enriched fluid is detected based on the temperature distribution of the internal fluid in the pressure vessel 11, where the temperature distribution is determined with the multipoint temperature sensor 18.
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